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Troubleshooting
Service manual
29
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
3.5.17 F6-00 – Outdoor unit: Abnormal high pressure in cooling
Trigger
Effect
Reset
Outdoor heat exchanger
thermistor measures a
too high temperature.
Unit will NOT stop
operating.
Automatic reset when
temperature drops.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Clean the outdoor heat exchanger. See
222].
Possible cause:
Dirty outdoor heat exchanger.
2
Check that all stop valves of the refrigerant circuit are open. See
Possible cause:
Closed stop valve in the refrigerant circuit.
3
Perform
a
check
of
the
heat
exchanger
thermistor.
See
195].
Possible cause:
Faulty heat exchanger thermistor.
4
Perform a check of the expansion valve. See
Possible cause:
Faulty expansion valve.
5
Perform a check of the main PCB. See
126].
Possible cause:
Faulty main PCB.
6
Check if the refrigerant circuit is correctly charged. See
Possible cause:
Refrigerant overcharge.
7
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
211].
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
8
Check if the refrigerant circuit is clogged. See
Possible cause:
Clogged refrigerant circuit.
9
Perform a check of the outdoor unit fan motor. See
135].
Possible cause:
Faulty outdoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.5.18 F8-00 – System shutdown due to compressor internal temperature abnormality
Trigger
Effect
Reset
Temperature discharge
pipe thermistor exceeds
the determined limit.
Unit will stop operating.
Manual reset via user
interface.
Summary of Contents for RXTA30B2V1B
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